#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
  printf("%f\n", 1.2);
  printf("%lf\n", 1.2f);
  double fDegree = 64.0;
  double cDegree = 5 * (fDegree - 32.0) / 9.0;
  printf("%lf\n", cDegree);
  return EXIT_SUCCESS;
}
